Diffuser



FIG. 1 is a perspective view of a diffuser design with cartridge.

FIG. 2 is a front elevation view of the diffuser of FIG. 1.

FIG. 3 is a back elevation view of the diffuser of FIG. 1.

FIG. 4 is a left side elevation view of the diffuser of FIG. 1.

FIG. 5 is a right side elevation view of the diffuser of FIG. 1.

FIG. 6 is a top plan view of the diffuser of FIG. 1; and,

FIG. 7 is a bottom plan view of the diffuser of FIG. 1.

The broken lines in the views represents portions of the diffuser which form no part of the claimed design. 

CLAIM We claim the ornamental design for a diffuser, as shown and described. 